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  • 1
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0570-0833
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 371 (1969), S. 325-332 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Sr2CuO3 was prepared and the structure determined by investigation of single crystal X-ray patterns. It has an orthorhombic symmetry. The space group is D252h - Immm with a = 12,68, b = 3,91 and c = 3,48 Å. Sr2CuO3 shows isolated endless Cu/O-chains with a coplanar neighbourhood of four oxygens around copper and a trigonal oxygen neighbourhood of Sr2+. The systematical connection of the trigonal polygons building up the lattice is discussed.
    Notes: Sr2CuO3 wurde dargestellt und an Einkristallen röntgenorgaphisch untersucht. Es hat orthorhombische Symmetrie, Raumgruppe D252h - Immm, mit a = 12,688, b = 3,91 und c = 3,48 Å. Im Sr2CuO3 gibt es isolierte, eindimensionale unendliche Cu/O. Ketten, in denen das Cu2+-Ion eine quadratische und exakt planare Umegebung von O2--Ionen hat. Ketten entstehen durch die systematische Verknüpfung der trigonalen Sauerstoffprismen um Sr2+. Der Kristallbau wird eingehend diskutiert.
    Additional Material: 4 Ill.
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 377 (1970), S. 144-151 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: SrCu0.75Ni0.25O2 was prepared and its crystal structure explained by x-ray diffraction dates (a = 3.565, b = 16.308 and c = 3.916 Å, space group D2h17—Cmcm). The structure of this compound is determined by the connection of trigonal prisms around Sr2+ which is characteristic for earth-alkaline oxocuprates, and square plane configurations of O2- around Cu2+. The lattice is penetrated by double ribbons of connected squares. The structure of SrCu0.75Ni0.25O2 stands between those of CaCu2O3 and Sr2CuO3.
    Notes: Die Verbindung SrCu0,75Ni0,25O2 wurde dargestellt und an Einkristall-Röntgenbeugungsdaten die Kristallstruktur aufgeklärt (a = 3,565, b = 16,308 und c = 3,916 Å, Raumgruppe D2h17—Cmem). Die für Erdalkalimetalloxocuprate charakteristische Verknüpfung trigonaler Prismen um Sr2+ und quadratisch ebene Konfigurationen von O2- um Cu2+ bestimmen auch den Aufbau dieser Verbindung. Das Kristallgitter wird von Doppelbändern ebener, über je zwei gemeinsame Kanten verknüpfter „Sauerstoffvierecke“ durchzogen. SrCu0,75Ni0,25O2 ist strukturell zwischen CaCu2O3 und Sr2CuO3 einzuordnen.
    Additional Material: 5 Ill.
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  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 382 (1971), S. 149-156 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The compound CaGa4O7 was prepared and its structure determined by single crystal x-ray investigations. CaGa4O7 crystallizes monoclinic in the space group C62h—C2/c with the lattice constants a = 13.065, b = 9.079, c = 5.600 Å; β = 105.15°. Calcium has an unusual coordination. Its five nearest oxygen neighbours form a trigonal bipyramide. The gallium, however, is tetrahedrally coordinated.
    Notes: Die Verbindung CaGa4O7 wurde dargestellt und ihre Struktur mit Hilfe von Einkristallen röntgenographisch bestimmt. CaGa4O7 kristallisiert monoklin in der Raumgruppe C62h—C2/c mit den Gitterkonstanten a = 13,065, b = 9,079, c = 5,600 Å; β = 105,15°. Ungewöhnlich ist die Sauerstoffkoordination des Calciums, die man als verzerrte, trigonale Bipyramide auffassen kann, während Gallium tetraedrisch koordiniert vorliegt.
    Additional Material: 2 Ill.
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  • 6
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 386 (1971), S. 158-162 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Single crystals of LaErO3 and LaLuO3 were prepared at temperatures above 2000°C. Single crystal diffraction data result in an orthorhombically distorted perovscite structure. LaErO3: a = 6.07, b = 5.85; c = 8.45 Å; LaLuO3: a = 6.00, b = 5.795, c = 8.35 Å.
    Notes: Einkristalle von LaErO3 und LaLuO3 wurden bei Temperaturen über 2000°C dargestellt. Einkristalldiffraktometerdaten führen zur Struktur eines orthorhombisch verzerrten Perowskits LaErO3: a = 6,07, b = 5,85, c = 8,45 Å, LaLuO3: a = 6,00, b = 5,795, c = 8,35 Å.
    Additional Material: 3 Tab.
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  • 7
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On a new alkaline earth metal oxoindate: Sr2In2O5The hitherto unknown compound Sr2In265 was prepared and investigated by X-Ray single crystal methods. Sr2In2O5 crystallizes in the orthorhombic space group C2v22-Ibm2 (a = 6.049, b = 15.84, c = 0.81 Å). It is isotypic with Ca2FeAlO5, (Brown-millerite).
    Notes: Die Verbindung Sr2In2O5 wurde dargestellt und an Einkristallen röntgenographisch untersucht. Sr2In2O5 kristallisiert orthorhombisch in der Raumgruppe C2v22-Ibm2 mit den Gitterkonstanten a = 6,049, b = 15,84, c = 5,81 Å. Sr2In2O5 ist nicht wie zu erwarten mit Ca2Fe2O5, sondern mit Ca2FeAlO5 (Brownmillerit) isotyp.
    Additional Material: 2 Ill.
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  • 8
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: A New Crystal Structure of the General Formula Me2+M23+O4: SrCr2O4Single crystals of SrCr2O4 were prepared and investigated by X-Ray goniometer data: a = 11.643, b = 5.881, c = 5.115 Å. Space group D2h13-Pmmn. SrCr2O4 shows a hitherto unknown crystal type. Cr3+ is octahedrally and Sr2+ trigonal prismatic surrounded by oxygen.
    Notes: Einkristalle von SrCr2O4 wurden dargestellt und die Kristallstruktur mit Diffraktometer-Röntgendaten bestimmt: a = 11,643; b = 5,881 und c = 5,115 Å, Raumgruppe D2h13-Pmmn. SrCr2O4 stellt einen neuen Bautyp dar, mit Cr3+ in oktaedrischer und Sr2+ in trigonal prismatischer Umgebung von O2-.
    Additional Material: 2 Ill.
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  • 9
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 407 (1974), S. 129-134 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Crystal Structure of Ba2CrO4Single crystals of Ba2CrO4 were prepared and investigated by X-ray diffractometer data (space group C2v9—Pn21a, a = 7.67, b = 5.89, c = 10.39. Å). A discussion is given concerning the correlation between Ba2CrO4 and the hitherto known crystal structures of Ba2CoO4 and Ba2TiO4.
    Notes: Einkristalle von Ba2CrO4 wurden dargestellt und röntgenographisch untersucht (Raumgruppe C2v9—Pb21a, a = 7,67, b = 5,89, c = 10,39 Å). Beziehungen zwischen Ba2CrO4 und den bisher bekannten Kristallstrukturen von Ba2CoO4 und Ba2TiO4 werden diskutiert.
    Additional Material: 3 Tab.
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  • 10
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 408 (1974), S. 205-208 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: About Ag6(SO4)(SiO4)Hitherto unknown Ag6(SO4)(SiO4) has been prepared at 400-500°C under an oxygen pressure more than 1000 atm. By single crystal X-ray work the structure of tetragonal Ag6(SO4)(SiO4) has been elucidated: a = 7.060, c = 17.660 Å; D4h19-141/amd; Z = 4. The crystal structure shows a new type in which the tetrahedrally sulfat- and silicat groups are definite distinguishable. As well the both crystallographic silver positions show a different crystal-chemical character.
    Notes: Neu dargestellt wurde Ag6(SO4)(SiO4) bei 400-500°C unter einem Sauerstoffdruck größer als 1000 atm. Nach röntgenographischen Untersuchungen der rubinroten Einkristalle kristallisiert die Verbindung tetragonal: a = 7,060, c = 17,660 Å; D4h19-141/amd; Z = 4. Die Kristallstruktur von Ag6(SO4)(SiO4) stellt einen neuen Strukturtyp dar, worin die tetraedrischen Sulfat- und Silicatgruppen deutlich unterscheidbar sind. Ebenso weisen die beiden kristallographischen Silberpositionen verschiedenartige kristallchemische Charaktere auf.
    Additional Material: 3 Ill.
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